China was the world's top producer of high-quality papers in eight scientific fields last year, but remained second to the United States in the number of papers in leading science journals, a report published on Tuesday said.

周二发布的一份报告称，去年，中国在8个科学领域的高质量论文数量上位居世界第一，但在各学科最具影响力科学期刊上发表的论文数量仍排在美国之后。

The eight fields were engineering technology, chemistry, environmental and ecological sciences, computer sciences, materials science, agricultural science, physics and mathematics, according to the 2020 edition of Statistical Data of Science and Technology Papers.

根据2020年科技论文统计数据，这8个领域分别是工程技术、化学、环境与生态科学、计算机科学、材料科学、农业科学、物理和数学。

China also ranked second in the number of high-quality papers in four scientific disciplines: biology, Earth science, pharmacy and interdisciplinary research.

中国在生物学、地球科学、药学和跨学科研究这四个科学学科的高质量论文数量上也排名第二。

Chinese researchers published 13,068 papers last year in the 155 science journals with the most academic influence - 22.4 percent of the world total and 1,750 more than in 2018.

去年，中国研究人员在155种最具学术影响力的科学期刊上发表了13068篇论文，占全球论文总数的22.4%，比2018年多1750篇。

China has ranked second in the category for 10 consecutive years, behind the US, which ranked top last year with 19,561 published papers - 33.6 percent of the world total.

中国已经连续10年在该领域排名第二，仅次于美国，去年美国以19561篇发表论文排名第一，占世界论文总数的33.6%。

For papers published in three of the world's most prestigious journals-Nature, Science and Cell-China ranked fourth, behind the US, the United Kingdom and Germany last year with 425 papers.

去年，中国在世界上最负盛名的三种期刊——《自然》、《科学》和《细胞》上发表的论文排名第四，仅次于美国、英国和德国的425篇论文。

Four mainland universities were among the world's top 10 last year in terms of the number of high-quality published papers, with Beijing-based Tsinghua University ranking second in the world with 2,420 papers, behind Harvard University.

去年，有4所大陆大学进入了全球高质量论文数量前10名，其中位于北京的清华大学以2420篇论文排名世界第二，仅次于哈佛大学。

China was again second to the US in terms of hot papers, with 1,375 papers or 38.4 percent of the world total.

在热门论文方面，中国再次排在美国之后，拥有1375篇论文，占世界论文总数的38.4%。